Abstract
Based on the Cox-Merz rule and Eyring's expression for the nonlinear shear viscosity, a Wagner-type constitutive relation with no nontrivial adjustable parameters is proposed for simple shear viscoelasticity. The predictions for a number of non-steady shear flows are worked out analytically. It is shown that most features of shear viscoelasticity are reproduced by the model.
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Dyre, J.C. A “zero-parameter” constitutive relation for simple shear viscoelasticity. Rheol Acta 29, 145–151 (1990). https://doi.org/10.1007/BF01332381
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DOI: https://doi.org/10.1007/BF01332381